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Dvinal [7]
4 years ago
8

A tortoise is walking in the desert. It walks at a speed of

Mathematics
1 answer:
sdas [7]4 years ago
6 0
I hope this helps you

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Find the explicit formula for the geometric sequence <br> 2,6,18,54
xenn [34]

Answer:

the explicit formula for the geometric sequence  2,6,18,54 is a_{n}=a_{1}.r^{n-1}

2,6,18,54

Step-by-step explanation:

In the sequence given: 2,6,18,54

The common ration is 3 because

a₁ = 2

a₂= 2*3 =6

a₃ = (2*3)*3 = 2*3^2 = 18

a₄= (2*3*3)*3 =2*3^3 = 54

Here we see for a₂ 3 has power 1, for a₃ 3 has power 2 and so on.

So, the formula will be

a_{n}=a_{1}.r^{n-1}

Here aₙ is the no of term.

a₁ is the first term of the sequence

and r is the common ratio among the sequence.

8 0
4 years ago
Read 2 more answers
A cell phone plan costs $200 to start, then charges $50 per month to maintain the account. How much will you pay for x months of
Mama L [17]

Answer:

$900

Step-by-step explanation:

add 200 to 50 times 14

4 0
3 years ago
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(i) For the equation y= 4-x,find the value of y when
densk [106]
A)6 b)4 c)2 d)0. You just have to replace X with given number.
7 0
3 years ago
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Match each description with its symbolic representation.
lys-0071 [83]
1. P(A) c. The probability that event A occurs.
2. P (A ∩ B) a.<span>The probability that both event A and event B occur.
3. </span>P (A ∪ B) <span>d. The probability that either event A or event B occurs
</span>4. 1 - P (A ∩ B) e. <span>The probability that both events A and B do not occur together, but either may occur by itself
</span>5. 1 - P (A ∪ B) f. <span>The probability that neither event A or event B occurs
</span>6. P (A | B)   b.<span>The probability that event A occurs given the fact that event B occurs</span>
3 0
4 years ago
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Whats the solution to the given system of equations? <br><br> -5x+8y=-36 <br> 5x+7y=6
AleksandrR [38]

Answer:

x=4, y=-2

Step-by-step explanation:

-5x+8y=-36

5x+7y=6

eqn 1+ eqn 2 gives

15y=-30

divide both sides by 15

y=-2, put in eqn 2

5x+7(-2)=6

5x=20 divide both sides by 5

x=4

4 0
3 years ago
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